4. APTA SS-PS-004-99, Rev. 1 Standard for Low-Location Exit Path ...
4. APTA SS-PS-004-99, Rev. 1 Standard for Low-Location Exit Path ...
4. APTA SS-PS-004-99, Rev. 1 Standard for Low-Location Exit Path ...
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<strong>APTA</strong> <strong>SS</strong>-<strong>PS</strong>-<strong>004</strong>-<strong>99</strong>, <strong>Rev</strong>. 1<br />
Edited 4-1-04<br />
10-15% more light <strong>for</strong> the same wattage rating and double the service life.<br />
f) If the luminance per<strong>for</strong>mance criteria cannot be met after taking any of the above<br />
actions, the field tested HPPL materials must be replaced with HPPL materials that<br />
demonstrate greater per<strong>for</strong>mance than the lab test minimum criteria of 7.5 mcd/m 2 ,<br />
1.5 hours after normal power is removed. Some HPPL materials can meet the<br />
<strong>4.</strong>23<br />
Volume VI - Passenger System
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